MCQ
Chlorine on reaction with hot and concentrated sodium hydroxide gives
- A$Cl^-$ and $ClO_3^-$
- ✓$Cl^-$ and $ClO^-$
- C$ClO_3^-$ and $ClO_2^-$
- D$Cl^-$ and $ClO_2^-$
✓
Answer
Correct option: B.
$Cl^-$ and $ClO^-$
b
$6\text{C}{{\text{l}}_{2}}+2\text{Ba}{{(\text{OH})}_{2}}\to $ $\underset{(X)}{\mathop{\text{Ba}{{\left( \text{Cl}{{\text{O}}_{3}} \right)}_{2}}}}\,+5\text{BaC}{{\text{l}}_{2}}+6{{\text{H}}_{2}}O$
$6\text{C}{{\text{l}}_{2}}+2\text{Ba}{{(\text{OH})}_{2}}\to $ $\underset{(X)}{\mathop{\text{Ba}{{\left( \text{Cl}{{\text{O}}_{3}} \right)}_{2}}}}\,+5\text{BaC}{{\text{l}}_{2}}+6{{\text{H}}_{2}}O$
$\text{Ba}{{\left( \text{Cl}{{\text{O}}_{3}} \right)}_{2}}+{{\text{H}}_{2}}\text{S}{{\text{O}}_{4}}\to \underset{(Y)}{\mathop{2\text{HCl}{{\text{O}}_{3}}}}\,+\text{BaS}{{\text{O}}_{4}}\downarrow $
$2\text{HCl}{{\text{O}}_{3}}\overset{{}}{\mathop{\frac{\Delta }{\Delta >365\,\text{K}}}}\,2\text{Cl}{{\text{O}}_{2}}+{{\text{H}}_{2}}\text{O}+\frac{1}{2}{{\text{O}}_{2}}$
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